| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | Australia | 2 | |
| #3 | United States | 2 | |
| #4 | Brazil | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Consumer goods | |
| #4 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Finishing work on buildings | |
| #2 | Shaping of plastics | |
| #3 | Fillers | |
| #4 | Live-saving devices | |
| #5 | Fire-fighting | |
| #6 | Ladders | |
| #7 | Foundations and excavations | |
| #8 | Layered products | |
| #9 | Laundering textiles | |
| #10 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Naka H | 3 |
| #2 | Naka Hiromitsu | 2 |
| Publication | Filing date | Title |
|---|---|---|
| AU2917177A | Process and apparatus for production of flexible nonskid strips | |
| GB1480390A | Clothes drying device | |
| GB1484141A | Floor hatch | |
| GB1481532A | Apparatus for continuously producing a flexible non-skid strip | |
| GB1457280A | Extensible passage apparatus | |
| US3847247A | Indoor escape device | |
| GB1339763A | Escape apparatus | |
| US3768593A | Indoor escape device |